#!/usr/bin/env python3
# -*- coding: utf-8 -*-

#file = "./input.txt"
#file = "./ex.txt"
file = "./input-e.txt"
from time import time
start_time = time()

def read_input(input_file:str, ) -> tuple[list[str], list[str]]:
    a = []
    d = []
    f = open(input_file, "r")
    for line in f:
        line = line.strip()
        if line == "":
            continue
        elif "," in line:
            a = line.replace(" ","").split(",")
        else:
            d.append(line)
    f.close()
    return a, d

def check_design(txt: str) -> bool:
    global alphabet
    memo = {}

    def check(remaining: str) -> bool:
        if remaining == "":
            return True

        if remaining in memo:
            return memo[remaining]

        for substring in alphabet:
            if remaining.startswith(substring):
                if check(remaining[len(substring):]):
                    memo[remaining] = True
                    return True

        memo[remaining] = False
        return False

    return check(txt)



if __name__ == "__main__":
    alphabet, designs = read_input(file)
    alphabet.sort(reverse=True)
    sol = 0
    for i, design in enumerate(designs):
        #print(i, design)
        if check_design(design):
            sol += 1
    print(sol)

    print(f'Runtime: {time()-start_time:.8f} s')